Home / 2,751,628.80-4,127,443.20-2,079,782.40

Finding the Fourth Proportional to 2,751,628.80, 4,127,443.20 and 2,079,782.40

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Solution

The fourth proportional to 2,751,628.80, 4,127,443.20 and 2,079,782.40 is: 3,119,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,628.80 : 4,127,443.20 = 2,079,782.40 : x
  2. Step 2: Convert to fraction form
    2,751,628.80/4,127,443.20 = 2,079,782.40/x
  3. Step 3: Cross multiply
    2,751,628.80x = 4,127,443.20 × 2,079,782.40
  4. Step 4: Simplify right side
    2,751,628.80x = 8,584,183,724,359.68
  5. Step 5: Solve for x
    x = 8,584,183,724,359.68/2,751,628.80
  6. Step 6: Final answer
    x = 3,119,673.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.